ORCHIDACEZ. 111 
Flowers and stems brownish, purplish or yellowish, often mottled or striped.......... 2 
Flowers and stems nearly or quite white........ 0.2... cece seceeceeece renee siaieiwiancie 9 
Flowers and stems greenish: bracts membranaceous, acute. Sp. 8 in......s.s.ss0- 4 
1. CALYPSO, Salisbury. 
L ©. borealis, Salisb. Stem 3-6 in. high: slender bract at top, subtending a drooping 
showy flower: sepals and petals lanceolate, rose-tinged 4-$ in. long; lip saccate, 2- 
spurred, mottled. Springy places or bogs, from Russian River (Miss Wood) to Br. 
Am. and E, to the Atlantic, Also in N. En. and Asia. 
2. CORALLORHIZA, Haller. 
Sepals and petals similar; lip dilated, recurved, flat or concave, 2-ridged at base. Column 
incurved. Rootstocks coral-like, hence the name Coral-root. 
1. C. multifiora, Nutt. Sepals and petals 3-4 lines long, yellowish or whitish, purple 
tinged: spur formed by decurrent side-sepals wholly adnate to the ovary; lip broadly 
ovate, 3-lobed, the middle lobe with undulate or denticulate margin, often purple- 
mottled. Mts., San Diego to Br. Col., E. to the Atlantic. 
2. ©. Mertensiana, Bong. Similar: flowers red: lower half of the spur free: lip nar- 
rower, entire or with small teeth at base. Humboldt Bay to Alaska. 
C. inmata, R. Br. Smaller: sepals 14-2 lines long: spur very short. Wash. 
4. C. Bigelovii, Watson. Stout: sepals and petals oblong, obtuse, 4 lines long, 
purple-veined; spur none. S. N. & Coast Mts., Cal, 
6. C. striata, Lindl Similar: perianth 6-7 lines long. 8. N. Mts., N. & E. 
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38. APLECTRUM, Torrey. 
1, A. hiemale, Torr. Scape a foot high or more: leaf plaited, 4-8 in. long: perianth } 
in, long, greenish brown; lip whitish, somewhat spotted, deeply 3-lobed, 3-ridged. 
The glutinous bulbs give the name Putty-root. Or. E. to the Atlantic. 
4. HABENARIA, Willd. 
Btems slender: leaves few and at base: perianth 2 lines long or leas............0-. 1, 3 
Stems leafy. Spur 4-6 lines long, slender: lip narrow............0+eeeeceers 3, 4, 5 
Spur short and thick....¢.c0:s060ci¢xsieivieisagdie sicieiers sinreie o'oeige sees cise 6, 7 
1. H. elegans, Bolander. Spike dense: sepals and potala equal. Coast, Monterey, N. 
2. H. Unalaschensis, Watson. Spike less dense: flowers smaller; bracts ovate. 
3. H. leucostachys, Watson. Stout: flowers many, white: capsule sessile. Swamps, 
4. H. sparsifiora, Watson. Lower, more slender: leaves narrower: greenish flowers 
10-20, distant, exceeded by the slender bracts: capsule sessile. S,N. Mts. & N. Cal 
56. H. pedicellata, Watson. Raceme loose: capsule tapering into a pedicel. 
